Home / 47,813.56-71,691.54-28,082.68

Finding the Fourth Proportional to 47,813.56, 71,691.54 and 28,082.68

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Solution

The fourth proportional to 47,813.56, 71,691.54 and 28,082.68 is: 42,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,813.56 : 71,691.54 = 28,082.68 : x
  2. Step 2: Convert to fraction form
    47,813.56/71,691.54 = 28,082.68/x
  3. Step 3: Cross multiply
    47,813.56x = 71,691.54 × 28,082.68
  4. Step 4: Simplify right side
    47,813.56x = 2,013,290,576.53
  5. Step 5: Solve for x
    x = 2,013,290,576.53/47,813.56
  6. Step 6: Final answer
    x = 42,107.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.